/*
 * Copyright 2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.gavlyukovskiy.boot.jdbc.decorator;

import java.net.URL;
import java.net.URLClassLoader;

public final class HidePackagesClassLoader extends URLClassLoader {

    private final String[] hiddenPackages;

    public HidePackagesClassLoader(String... hiddenPackages) {
        super(new URL[0], DataSourceDecoratorAutoConfigurationTests.class.getClassLoader());
        this.hiddenPackages = hiddenPackages;
    }

    @Override
    protected Class<?> loadClass(String name, boolean resolve)
            throws ClassNotFoundException {
        for (String hiddenPackage : hiddenPackages) {
            if (name.startsWith(hiddenPackage)) {
                throw new ClassNotFoundException();
            }
        }
        return super.loadClass(name, resolve);
    }

}
